kern/168678: [jail] raw sockets incorrectly choose source address when jail has multiple subnets

[bz at FreeBSD.org]

Synopsis: [jail] raw sockets incorrectly choose source address when jail has multiple subnets

Responsible-Changed-From-To: freebsd-jail->bz
Responsible-Changed-By: bz
Responsible-Changed-When: Tue Jun 19 12:33:35 UTC 2012
Responsible-Changed-Why: 
bz feels the bugs.  The ping patch has been living in my browser
window for weeks now; I should get the kernel fix done as well.

http://people.freebsd.org/~bz/20120407-01-ping-source-addr.diff

The problem is described here:
http://svnweb.freebsd.org/base/head/sys/netinet/raw_ip.c?annotate=229265#l461

http://www.freebsd.org/cgi/query-pr.cgi?pr=168678